Van Phong Dai Dien Cong Ty Co Phan Tu Van Thiet Ke Va Xay Dung Nha Cao Tang Address: No 12 D5, Khu Gian Dan Yen Phuc, Phuong, Ha Dong District, Ha Noi City Enterprise code: 0104222825-002 Phone: 0906240036 Representative: Hoang Minh Duc Ha Dong Ward, Thanh Tri District, Ha Noi CityFounding date: 26 - 8 - 2026